HumansMind maths: Battles for attention fought in the brain The way different neural networks compete for dominance echoes the battle for survival between predators and prey – the result may be your wandering mind Features
TechnologySleep and dreaming: Slumber at the flick of a switch Wouldn't it be wonderful to pack a good night's sleep into fewer hours? Technology has the answer – and it could treat depression and even extend our lives too Features